8Augouridakis V E, Makrogiannis T J. The discomfort-index in Thessaloniki, Greece [J]. International Journal of Biometeor- ology, 1982, 26:53-59.
9Hoppe P. The physiological equivalent temperature: A univer- sal index for the biometeorological assessment of the thermal environment [ J]. International Journal of Biometeorology, 1999, 43: 71-75.